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Date: Tue, 18 Nov 2003 14:23:58 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
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To: freebsd-stable@freebsd.org, Peter Radcliffe <pir@pir.net>
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Subject: Re: Hang on boot with 4.9-STABLE
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Peter Radcliffe wrote:

> Yet another hang on boot issue wqith 4.9. I havn't seen anything the
> same go through the list and I've searched the archives but not found
> anything appropriate.
> 
> Dual processor P4 box, serverworks chipset, that has been rock solid
> under 4.8-P3, took it to 4.9-R and 4.9-STABLE (as of today) and it
> hangs on boot after the apm0 line. It's doing SMP and the motherboard
> has hyperthreading enabled.
> 
> It won't break out to the kernel debugger so I can't get a kernel dump.
> 
> Clues ? Known issue ?

I've dual processor P3 (Intel motherboard on ServerWorks)
that was rock solid long time ago till early 4.8-STABLE.
Once upgraded to 4.9-STABLE, it started to hang every night
(not at the same day time, though). It won't break out
to the kernel debugger too so I have no information for the PR.
That occured 5 times.

I've downgraded it to 4.8-STABLE of 8 August 2003 and it is stable
again.

Eugene Grosbein